Froebe reportedly had a hanger for his small airplane at Benson Airport, where investigators say he took off early Wednesday morning.

Sgt. Froebe had joined the Tucson Police Department in 1995. He was later promoted to sergeant in 2007. Reports indicated that he was a military veteran, serving as a Marine from 1978 until 2012.

“Sergeant Froebe served his country for 34 years, and locally served his community for 24 years. He is survived by his wife, four children, many more family members, friends, and colleagues,” the Tucson Police Department said in a statement.

Tonight our hearts are broken as we learned of Sgt. Froebe’s passing.

For decades, Sgt. Froebe led Marines and Tucson Police Officers with distinction and honor. His service to our country and the city of Tucson will never be forgotten. pic.twitter.com/YOGsP2O9VQ

Another off-duty corrections sergeant was killed this week while teaching her son how to drive.

Police arrested Matthew Wilks of Whitefish Bay, Wisconsin in connection with the death of Sgt. Tracey Smith.

Police say that Matthew Wilks pulled out a gun and killed a DOC sergeant after a traffic accident. (Milwaukee Police Department)

According to reports, Sgt. Tracey Smith was heading to a clothing store on August 30. Smith had been teaching the teenage boy to drive, and so he was behind the wheel. The criminal complaint claims that as Smith’s son was making a turn, a gold van that was on the passenger side of his car cut him off and attempted to make a left turn from the wrong lane.

The two vehicles collided. Smith reportedly exited the vehicle to inspect the damage. The police report says that she became angry and was yelling at the driver of the van for his negligent driving.

That’s when Smith’s son said that he heard the other driver say, “(Expletive), I’ll kill you,” before producing a firearm and pulling the trigger. Sgt. Smith reportedly fell to the ground as the driver climbed back into his van and sped away from the scene.

Wisconsin mother killed in front of her son as driving lesson turns into road rage shooting https://t.co/SAaGjEZnlc

Wilks was taken into custody on September 2 and now faces charges of first degree intentional homicide as well as possession of a firearm by a felon. Court documents show that Wilks was convicted of felony possession of a firearm by a felon and possession of cocaine in Feb. 2008.

He was due in court on Wednesday.

Smith’s friends and family remembered her as a hardworking mother who would do anything for her children.

“She went to work every day,” said JoAnne Luckett. “She made a life for her and her sons. I wake up every morning and it’s like, ‘Wow. Tracey is not here.’ I hate it. I hate it. I hate the way things are in this city.”

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